ItsHafu

itsHafu is a partnered livestreamer on Twitch who plays for G2 Esports. She is usually streaming Teamfight Tactics.

Biography
Rumay Wang, better known as Hafu, is a professional Hearthstone player and streamer. She has previously professionally played World of Warcraft and boasts a 1st place win at MLG Orlando in 2008, a 1st place win at MLG Dallas in 2008 and a 1st place win at NA Blizzard Regionals in 2008. She has also professionally played Bloodline Champions and Diablo III. She also participated in three Teamfight Tactics tournaments, two hosted by Riot Games, and one hosted by Pokimane.

100 in 10
She's a well known arena player, challenging herself with the 100 in 10 format, where streamers attempt to win 100 games in the Hearthstone Arena in only 10 runs. In the Hearthstone Arena, players are prompted to make their own deck from a random assortment of cards, and then face opponents. Players end their "run" when if suffer three losses or get to twelve wins, they then receive in-game rewards. The 100 in 10 challenge requires players to play 10 runs, averaging 10 wins per run, to complete the challenge.